Chief Procurement Officer Sharla Roberts is questioned by Ald. Samantha Nugent (39) at a budget hearing on Nov. 9, 2026. [Livestream]

Chief Procurement Officer Sharla Roberts faced a flurry of aldermanic ire at a Monday budget hearing after she walked back a previous announcement of a forthcoming program to temporarily test a bevy of gun violence detection and response technology that could potentially replace the city’s former ShotSpotter acoustic gunshot detection system.